java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:10:56,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:10:56,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:10:56,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:10:56,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:10:56,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:10:56,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:10:56,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:10:56,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:10:56,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:10:56,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:10:56,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:10:56,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:10:56,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:10:56,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:10:56,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:10:56,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:10:56,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:10:56,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:10:56,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:10:56,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:10:56,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:10:56,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:10:56,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:10:56,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:10:56,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:10:56,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:10:56,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:10:56,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:10:56,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:10:56,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:10:56,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:10:56,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:10:56,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:10:56,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:10:56,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:10:56,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:10:56,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:10:56,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:10:56,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:10:56,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:10:56,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 00:10:56,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:10:56,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:10:56,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:10:56,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:10:56,407 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:10:56,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:10:56,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:10:56,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:10:56,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:10:56,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:10:56,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:10:56,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:10:56,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:10:56,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:10:56,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:10:56,411 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:10:56,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:10:56,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:10:56,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:10:56,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:10:56,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:10:56,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:10:56,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:10:56,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:10:56,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:10:56,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:10:56,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:10:56,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:10:56,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:10:56,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:10:56,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:10:56,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:10:56,766 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:10:56,767 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:10:56,768 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2019-10-14 00:10:56,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36944fa5a/3a280e3890f441a69c138d6c942f21cf/FLAG94c329a3c [2019-10-14 00:10:57,667 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:10:57,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2019-10-14 00:10:57,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36944fa5a/3a280e3890f441a69c138d6c942f21cf/FLAG94c329a3c [2019-10-14 00:10:58,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36944fa5a/3a280e3890f441a69c138d6c942f21cf [2019-10-14 00:10:58,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:10:58,221 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:10:58,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:10:58,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:10:58,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:10:58,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:10:58" (1/1) ... [2019-10-14 00:10:58,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b78129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:10:58, skipping insertion in model container [2019-10-14 00:10:58,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:10:58" (1/1) ... [2019-10-14 00:10:58,241 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:10:58,379 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:11:00,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:11:00,583 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:11:00,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:11:01,163 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:11:01,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01 WrapperNode [2019-10-14 00:11:01,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:11:01,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:11:01,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:11:01,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:11:01,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01" (1/1) ... [2019-10-14 00:11:01,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01" (1/1) ... [2019-10-14 00:11:01,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01" (1/1) ... [2019-10-14 00:11:01,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01" (1/1) ... [2019-10-14 00:11:01,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01" (1/1) ... [2019-10-14 00:11:01,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01" (1/1) ... [2019-10-14 00:11:01,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01" (1/1) ... [2019-10-14 00:11:01,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:11:01,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:11:01,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:11:01,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:11:01,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:11:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:11:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:11:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-14 00:11:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-14 00:11:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-14 00:11:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-14 00:11:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-14 00:11:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-14 00:11:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-14 00:11:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-14 00:11:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-14 00:11:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-14 00:11:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-14 00:11:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-14 00:11:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-14 00:11:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-14 00:11:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-14 00:11:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-14 00:11:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-14 00:11:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-14 00:11:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-14 00:11:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-14 00:11:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-14 00:11:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-14 00:11:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 00:11:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 00:11:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 00:11:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-14 00:11:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-14 00:11:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-10-14 00:11:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-14 00:11:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-14 00:11:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-14 00:11:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-14 00:11:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-14 00:11:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-14 00:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 00:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 00:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 00:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 00:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 00:11:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 00:11:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 00:11:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 00:11:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 00:11:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-14 00:11:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-14 00:11:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-14 00:11:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2019-10-14 00:11:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-10-14 00:11:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2019-10-14 00:11:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2019-10-14 00:11:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2019-10-14 00:11:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_open [2019-10-14 00:11:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2019-10-14 00:11:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2019-10-14 00:11:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_read [2019-10-14 00:11:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_write [2019-10-14 00:11:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2019-10-14 00:11:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2019-10-14 00:11:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_receive [2019-10-14 00:11:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_wakeup [2019-10-14 00:11:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_init [2019-10-14 00:11:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_ioctl [2019-10-14 00:11:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_process [2019-10-14 00:11:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_encode [2019-10-14 00:11:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_send [2019-10-14 00:11:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2019-10-14 00:11:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_flush_output [2019-10-14 00:11:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_ordinary [2019-10-14 00:11:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure process_input_packet [2019-10-14 00:11:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_input [2019-10-14 00:11:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2019-10-14 00:11:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_cleanup [2019-10-14 00:11:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2019-10-14 00:11:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2019-10-14 00:11:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:11:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-14 00:11:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-14 00:11:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-14 00:11:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-14 00:11:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-14 00:11:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-14 00:11:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-14 00:11:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-10-14 00:11:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-10-14 00:11:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-10-14 00:11:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-10-14 00:11:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_18 [2019-10-14 00:11:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-14 00:11:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-14 00:11:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-14 00:11:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-14 00:11:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-14 00:11:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 00:11:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 00:11:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 00:11:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 00:11:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-14 00:11:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 00:11:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-14 00:11:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-14 00:11:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-14 00:11:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-14 00:11:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-14 00:11:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 00:11:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-14 00:11:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-14 00:11:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-14 00:11:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-14 00:11:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-14 00:11:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-14 00:11:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-14 00:11:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-14 00:11:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-14 00:11:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-14 00:11:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-14 00:11:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-14 00:11:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-14 00:11:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-14 00:11:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2019-10-14 00:11:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2019-10-14 00:11:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2019-10-14 00:11:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-14 00:11:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-14 00:11:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2019-10-14 00:11:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-10-14 00:11:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-10-14 00:11:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-10-14 00:11:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-10-14 00:11:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-10-14 00:11:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-10-14 00:11:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-10-14 00:11:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 00:11:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-14 00:11:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-14 00:11:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-14 00:11:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-10-14 00:11:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-14 00:11:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-14 00:11:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tty [2019-10-14 00:11:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_tty [2019-10-14 00:11:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-14 00:11:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-14 00:11:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-10-14 00:11:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-14 00:11:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-10-14 00:11:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-14 00:11:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2019-10-14 00:11:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-14 00:11:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 00:11:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 00:11:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 00:11:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 00:11:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:11:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 00:11:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-14 00:11:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-14 00:11:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-14 00:11:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-14 00:11:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-14 00:11:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 00:11:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-14 00:11:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-14 00:11:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-14 00:11:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-14 00:11:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-14 00:11:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-14 00:11:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-14 00:11:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 00:11:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-14 00:11:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 00:11:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-14 00:11:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 00:11:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-14 00:11:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-14 00:11:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-14 00:11:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-14 00:11:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-14 00:11:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-14 00:11:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-14 00:11:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-14 00:11:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-14 00:11:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-14 00:11:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-14 00:11:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2019-10-14 00:11:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-14 00:11:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2019-10-14 00:11:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-14 00:11:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-14 00:11:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-14 00:11:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-14 00:11:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-14 00:11:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-14 00:11:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 00:11:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 00:11:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 00:11:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 00:11:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 00:11:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-14 00:11:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-14 00:11:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-14 00:11:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-14 00:11:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-14 00:11:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-14 00:11:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-14 00:11:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-14 00:11:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-14 00:11:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-14 00:11:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-14 00:11:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-14 00:11:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-10-14 00:11:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-10-14 00:11:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-14 00:11:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-10-14 00:11:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-10-14 00:11:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 00:11:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-14 00:11:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 00:11:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-14 00:11:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 00:11:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 00:11:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-14 00:11:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-10-14 00:11:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-14 00:11:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-14 00:11:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-14 00:11:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-14 00:11:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-14 00:11:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-14 00:11:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-14 00:11:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-14 00:11:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-10-14 00:11:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_18 [2019-10-14 00:11:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-14 00:11:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-14 00:11:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 00:11:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 00:11:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:11:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-14 00:11:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 00:11:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 00:11:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 00:11:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:11:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 00:11:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 00:11:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 00:11:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 00:11:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 00:11:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 00:11:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 00:11:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 00:11:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 00:11:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2019-10-14 00:11:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2019-10-14 00:11:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-14 00:11:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure down [2019-10-14 00:11:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-14 00:11:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure stop_tty [2019-10-14 00:11:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure start_tty [2019-10-14 00:11:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2019-10-14 00:11:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-10-14 00:11:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-14 00:11:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-10-14 00:11:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-14 00:11:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-14 00:11:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2019-10-14 00:11:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-14 00:11:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-14 00:11:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-14 00:11:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-14 00:11:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2019-10-14 00:11:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-10-14 00:11:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-10-14 00:11:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-10-14 00:11:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-10-14 00:11:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-10-14 00:11:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-10-14 00:11:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-10-14 00:11:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-10-14 00:11:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2019-10-14 00:11:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_encode [2019-10-14 00:11:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_send [2019-10-14 00:11:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2019-10-14 00:11:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_flush_output [2019-10-14 00:11:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_input [2019-10-14 00:11:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_ioctl [2019-10-14 00:11:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_process [2019-10-14 00:11:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2019-10-14 00:11:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2019-10-14 00:11:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2019-10-14 00:11:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_open [2019-10-14 00:11:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2019-10-14 00:11:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2019-10-14 00:11:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_read [2019-10-14 00:11:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_write [2019-10-14 00:11:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2019-10-14 00:11:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2019-10-14 00:11:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_receive [2019-10-14 00:11:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_wakeup [2019-10-14 00:11:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_init [2019-10-14 00:11:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 00:11:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-14 00:11:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure scan_ordinary [2019-10-14 00:11:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure process_input_packet [2019-10-14 00:11:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_cleanup [2019-10-14 00:11:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 00:11:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 00:11:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:11:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-14 00:11:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-14 00:11:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-14 00:11:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-14 00:11:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-14 00:11:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 00:11:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 00:11:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 00:11:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 00:11:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-14 00:11:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-14 00:11:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-14 00:11:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-14 00:11:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 00:11:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 00:11:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:11:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 00:11:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 00:11:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:11:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 00:11:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 00:11:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 00:11:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 00:11:03,038 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 00:11:07,157 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:11:07,158 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 00:11:07,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:11:07 BoogieIcfgContainer [2019-10-14 00:11:07,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:11:07,163 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:11:07,163 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:11:07,164 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:11:07,165 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:11:07" (1/1) ... [2019-10-14 00:11:07,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:11:07,400 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-14 00:11:07,408 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 59 root evaluator evaluations with a maximum evaluation depth of 0. Performed 59 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 190 variables. [2019-10-14 00:11:07,409 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:11:07,415 INFO L168 Benchmark]: Toolchain (without parser) took 9189.64 ms. Allocated memory was 142.6 MB in the beginning and 300.4 MB in the end (delta: 157.8 MB). Free memory was 94.8 MB in the beginning and 180.8 MB in the end (delta: -86.0 MB). Peak memory consumption was 71.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:11:07,416 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:11:07,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2941.74 ms. Allocated memory was 142.6 MB in the beginning and 241.2 MB in the end (delta: 98.6 MB). Free memory was 94.4 MB in the beginning and 179.9 MB in the end (delta: -85.6 MB). Peak memory consumption was 116.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:11:07,422 INFO L168 Benchmark]: Boogie Preprocessor took 251.18 ms. Allocated memory is still 241.2 MB. Free memory was 179.9 MB in the beginning and 164.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:11:07,425 INFO L168 Benchmark]: RCFGBuilder took 5745.07 ms. Allocated memory was 241.2 MB in the beginning and 300.4 MB in the end (delta: 59.2 MB). Free memory was 164.4 MB in the beginning and 189.4 MB in the end (delta: -25.0 MB). Peak memory consumption was 136.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:11:07,431 INFO L168 Benchmark]: Abstract Interpretation took 245.56 ms. Allocated memory is still 300.4 MB. Free memory was 189.4 MB in the beginning and 180.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:11:07,445 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2941.74 ms. Allocated memory was 142.6 MB in the beginning and 241.2 MB in the end (delta: 98.6 MB). Free memory was 94.4 MB in the beginning and 179.9 MB in the end (delta: -85.6 MB). Peak memory consumption was 116.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 251.18 ms. Allocated memory is still 241.2 MB. Free memory was 179.9 MB in the beginning and 164.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5745.07 ms. Allocated memory was 241.2 MB in the beginning and 300.4 MB in the end (delta: 59.2 MB). Free memory was 164.4 MB in the beginning and 189.4 MB in the end (delta: -25.0 MB). Peak memory consumption was 136.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 245.56 ms. Allocated memory is still 300.4 MB. Free memory was 189.4 MB in the beginning and 180.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 5659]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...